Rear Panel Connectors & Switches - ASL INTERCOM PS 6379 MK2 User Manual

31 POWER ON/OFF push button
To switch the internal power supply On or Off.
8.0 REAR PANEL CONNECTORS & SWITCHES
32 INTERCOM OUT connectors (one per channel)
These male XLR-3 connectors are for connecting the intercom party lines to which remote
stations can be connected, via standard microphone cable.
Pin assignment:
Pin 1: 0V / ground
Pin 2: +30 V power wire
Pin 3: Audio wire
33 SYSTEM LINK connectors (one per channel)
34 AUX INPUT connectors + ground lift switches
These three XLR-3 female connectors are inputs for auxiliary (AUX) audio signals.
The inputs are electronically balanced and accept line level audio signals. For routing
these AUX signals to the intercom channels, see #35.
Pin assignment of all AUX input connectors:
Pin1. 0V / ground
19